The vertex of a parabola is (-1.5, -12.5), and its y-intercept is (0, -8). the x-intercepts of the parabola are and 1: answer choices (-2,0) (-4,0) (2,0) (4,0) 2: answer choices (-1,0) (2,0) (1,0) (-2,0)

The vertex form of the equation of the parabola is:

y = A(x - h)^2 + k

Where h and k are the x and y - coordinates of the vertex.

In this case h = - 1.5 and k = - 12.5, so you know that the equation of this parabola is:

y = A(x + 1.5)2 - 12.5

The y-intercept is the y-value when x = 0, so you know:

- 8 = A(0 + 1.5)^2 - 12.5, from which you can solve for A:

- 8 = A (1.5)^2 - 12.5

A(1.5)^2 = - 8 + 12.5

A = 4.5 / (1.5)^2 = 2.

And now you have the equation of the parabola: y = 2(x + 1.5)^2 - 12.5

The x-intercepts are the x-values when y = 0

=> 2(x + 1.5)^2 - 12.5 = 0

=> (x + 1.5)^2 = 12.5 / 2

(x + 1.5)^2 = 6.25

=> (x + 1.5) = +/- √6.25

(x + 1.5) = +/- 2.5

=> x = -1.5 +/- 2.5

=> x = - 1.5 + 2.5 = 1 and x = -1.5 - 2.5 = - 4

=> (1,0) and (-4,0)

(-4,0) and (1,0)

The answer would be a

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